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L
LP_it
Associate
March 18, 2026
Question

Installation problem PSD Express 866

  • March 18, 2026
  • 1 reply
  • 157 views

Hi,

i am trying to install PSD express v 8.66 software tool on Windows 11 pro.

It is giving error.

Could you help me please how to download this tool on latest Windows OS as early as possible??

1 reply

Andrew Neil
Andrew Neil
Super User
March 18, 2026

Are you referring to the software for the uPSD devices, originally by Waferscale Integration, Inc ?

256kbit_16kbit_EPROM_SRAM_Wafer_Scale_Integration_PSD311_(3).jpg

Although WSI was acquired by ST in 2000, the parts are long discontinued

 

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
L
LP_itAuthor
Associate
March 18, 2026

I want to use PSD Express tool to download firmware for 8051 microcontroller board.

I cannot install PSD Express on windows 11 pro

Andrew Neil
Andrew Neil
Super User
March 18, 2026

As noted, both the software tools and the hardware products are long obsolete.

It's hardly surprising that 25-year-old software won't install on Windows 11 !

 

Where did you even find this stuff?

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
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